The 38-year-old actress - who has been romancing the Milk star for eight months - was spotted in Los Angeles International airport on Wednesday sporting a huge diamond ring on her engagement finger, prompting speculation her 53-year-old beau has proposed.

The sighting of the ring comes just a week after it was claimed the pair are planning to tie the knot in the Snow White and the Huntsman star's native South Africa in the coming months. "They want to get married very soon," a source said.

And Charlize - who has two-year-old adopted son Jackson - is reportedly keen to adopt a child with Sean shortly after they've exchanged vows. "Charlize always intended to have another child," the insider added.

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George Clooney took Amal Alamuddin on a surprise tour of the Downton Abbey set.

The 53-year-old actor, who became engaged to the British human rights lawyer last month, arrived at his fianceee's London home unannounced earlier this week and whisked her away on a trip to nearby Surrey, in southeast England, where he took her to visit the set of one of her favorite TV shows.

"George took Amal completely by surprise. He turned up at nearly midnight after jetting into Heathrow. George literally told Amal to grab some clothes before they jumped in a cab down to Surrey. She though it was so romantic, she loves how unpredictable he is. The set visit to Downton Abbey was the icing on the cake of a crazy few hours," a source said.

The couple are said to have indulged in a romantic stroll around the grounds of Highclere Castle, where the ITV period drama is set.

The Monuments Men actor - who got engaged to British human rights lawyer Amal Alamuddin last month - is planning to splash out on a new property in the UK city because his bride-to-be doesn't want to have to relocate her career.

"Amal wants to continue her work, and George is very supportive and proud of her career. He will soon be going to London so they can look for a new home there together," a source told The New York Posts's Page Six column.

It was recently claimed that the couple are planning a low-key wedding at George's Italian estate. "The important people will be there, but this is private, not for public consumption, so it will be friends and family only. It was a long time coming, but when George commits to something he really sees it through. Amal is the one," a source said recently.

The couple, who have been dating since late-last year, recently sparked rumors they're heading for the aisle and now an insider has confirmed their happy news. "George and Amal are trying to keep things very low-key but they also aren't really trying to hide this, it doesn't seem. I think it's like they want the people they love to know that this is real, that they plan on being together forever," a source told People.

The 36-year-old lawyer first fueled rumors George, 52, had proposed when she was spotted showing off a diamond sparkler on her ring finger as they indulged in sushi at Nobu in Malibu on Thursday.

It is believed the loved-up duo, who are yet to confirm they are even dating, were joined by Cindy Crawford, 48, and actor Edward Norton, 44.

The 41-year-old presenter unveiled her stunning yellow sapphire ring on The View today, and revealed her 11-year-old son Evan - who she has with former spouse John Mallory Asher - helped the New Kids on the Block singer with his proposal last weekend.

After hiding her hand behind the show's desk, Jenny showed off the ring and exclaimed, "I just got engaged!" She then wept as she recalled the proposal and explained Donnie, 44, had got down on one knee to pop the question. "This weekend I was sitting with Donnie ... and he went into the other room and Evan out came with a card that said 'Will' and he handed it to me. Then Evan ran away and came in with a card that said 'You.' I started crying and then Evan came into the room with the word 'Marry' - but spelled wrong. Last Donnie came out with Evan and Donnie's shirt said 'Me' and he got down on his knee ... Of course, I said 'Yes.' In that moment Evan yelled, 'I have another dad!' and it made all of us cry and I feel like the luckiest girl in the world and he's so wonderful," she said.

The couple - who started dating last summer - are unsure when they will marry. "We don't know yet," Jenny admitted.

Friends close to the couple, who began dating at the end of last year and flew to Hawaii to celebrate New Year's Eve together in December, predict the Milk actor and the South African actress will get engaged in the very near future, but insist they haven't started making wedding plans just yet.

An insider told PEOPLE.com that they "wouldn't be surprised" by a proposal, adding, "But she's not engaged - yet."

The duo, who went public with their relationship at Sean's third annual Help Haiti Home gala in January, were "inseparable" when they flew to Cabo San Lucas in Mexico for Valentine's Day weekend in February. "They held hands everywhere they went," an eyewitness said at the time.

The 53-year-old actor is set to direct his Oscar-winning girlfriend and Javier Bardem in The Last Face, which is expected to begin filming in Africa later this year.

The Home Alone star is reportedly eager to tie the knot with his soap star girlfriend Jordan Lane Price before his pregnant ex-girlfriend marries Ashton Kutcher to prove he is finally over the Black Swan star. "Macaulay is convinced that Jordan's the one for him. They are crazy about each other," a source told The National Enquirer.

Jordan has been touring with the former child star's cover band The Pizza Underground in recent months. "The band may be a joke, but Macaulay's love for Jordan most definitely is not. They could be formally engaged within weeks, and married by summer. Mila has her eye on a summer wedding as well, so it will be interesting to see who gets to the altar first," the source added.

Mila, 29, split from Macaulay, 33, in 2011 after eight years together and the brunette beauty was single until she started dating her former That 70's Show co-star Ashton, 36, in April 2012. The actress is reportedly thinking about tying the knot with her fiancee in a registry office in Los Angeles as soon as possible so she can focus on her pregnancy, but she previously insisted being married wasn't important to her.

Kim Kardashian and Kanye West's lawsuit over their leaked engagement footage can go ahead, a judge has ruled.

The couple were taking legal action against YouTube co-founder Chad Hurley for posting a 150-second video of the rapper's lavish proposal at San Francisco's AT&T Park stadium, but the tech entrepreneur had sought for the case to be dismissed on constitutional grounds, claiming it violated his rights to free speech. He also argued he wasn't informed he wasn't allowed to film or distribute the footage but a judge ruled yesterday that the word "CONFIDENTIALITY" could be seen clearly on a document he signed when entering the stadium.

And Chad could also face fraud charges, website TMZ reports, as the judge agreed with Kim and Kanye's view that his "wrangling" over the case has been "improper."

The 27-year-old star has sparked rumors she's engaged to her beau after she was spotted wearing a ring last week, but a friend of the couple admits the French banker, 44, popped the question months ago and the blonde beauty turned him down at the time.

"He tried about a year ago, and she wasn't ready. She didn't need to be wined and dined. She wanted to make sure he would be good to her," a source said.

The couple - who first started dating in 2012 - are also reportedly "talking about trying to get pregnant." However, the former child star won't have any problems adapting to motherhood as she is already close to Olivier's children Julien, 12, and Margot, 10, whom he has with his ex-wife Charlotte Bernard. "Mary-Kate has made him a better father. She remembers all the kids' special events. She thinks he's a great dad," a source previously said.

"I was in this position once before and it didn’t work out too well the last time a guy got on one knee for me. Hopefully this will be better."

- Referring to her previous fiance, Liam Hemsworth, Miley Cyrus tells Matt Peterson - a fan who asked her out to his prom - that she's a little weary of guys on one knee when he does so to give her a corsage on stage during one of her Bangerz World Tour concerts.